POLYMER HAVING A SULFONIC GROUP OR A SULFONATE GROUP AND AN AMIDE GROUP AND METHOD OF PRODUCING SAME

Document Type and Number:

WIPO Patent Application WO2005108441

Kind Code:

A3

Abstract:

A polymer is provided in which a sulfonic group or a derivative thereof is introduced. The polymer includes a unit represented by the following chemical formula (1): wherein R represents -A1-SO2R1; A1 is selected from an alkylene group, a heterocyclic ring, an aromatic ring; and -SO2R1 is a sulfonic group or of a derivative of a sulfonic acid.